Body composition, trabecular bone score and vertebral fractures in subjects with Klinefelter syndrome.
Male
Adult
Humans
Adolescent
Young Adult
Middle Aged
Cancellous Bone
/ diagnostic imaging
Klinefelter Syndrome
/ complications
Cross-Sectional Studies
Spinal Fractures
/ diagnostic imaging
Bone Density
Absorptiometry, Photon
Femur Neck
Lumbar Vertebrae
/ metabolism
Testosterone
/ metabolism
Body Composition
Osteoporotic Fractures
/ diagnosis
Body composition
Bone health
Hypogonadism
Klinefelter syndrome
Testosterone
Trabecular bone score
Vertebral fractures
Journal
Journal of endocrinological investigation
ISSN: 1720-8386
Titre abrégé: J Endocrinol Invest
Pays: Italy
ID NLM: 7806594
Informations de publication
Date de publication:
Feb 2023
Feb 2023
Historique:
received:
29
03
2022
accepted:
10
08
2022
pubmed:
28
8
2022
medline:
25
1
2023
entrez:
27
8
2022
Statut:
ppublish
Résumé
Klinefelter syndrome (KS) frequently causes skeletal fragility characterized by profound alterations in bone microstructure with increased risk of fractures. Increased body fat mass associated with decreased body lean mass are frequent features of KS with possible detrimental effects on skeletal health. In this cross-sectional study, we evaluated the associations between body composition parameters, vertebral fractures (VFs) and trabecular bone score (TBS) in adult subjects with KS. Seventy-one adult males (median age 41 years, range 18-64) with 47, XXY KS were consecutively enrolled by two Endocrinology and Andrology Units (IRCCS Humanitas Research Hospital in Milan and ASST Spedali Civili in Brescia). Dual-energy X-ray absorptiometry (DXA) was performed to assess bone mineral density (BMD) at lumbar spine, femoral neck and total hip, TBS and body composition. Prevalence of VFs was assessed by quantitative morphometry on lateral spine X-rays. VFs were detected in 14 patients (19.7%), without significant association with low BMD (p = 0.912). In univariate logistic regression analysis, VFs were significantly associated with truncal/leg fat ratio (OR 2.32 per tertile; 95% CI 1.05-5.15; p = 0.038), whereas impaired TBS (detected in 23.4% of subjects) was associated with older age at study entry (p = 0.001) and at diagnosis of disease (p = 0.015), body mass index (BMI; p = 0.001), waist circumference (p = 0.007), fat mass index (FMI; p < 0.001), FMI/lean mass index (LMI) ratio (p = 0.001). Prevalence of VFs was not significantly different between subjects with impaired TBS as compared to those with normal TBS (26.7 vs. 18.4%; p = 0.485). Skeletal end-points were not significantly associated with duration of testosterone replacement therapy and serum testosterone and 25hydroxyvitamin D values. Body composition might influence bone quality and risk of VFs in subjects with KS.
Sections du résumé
BACKGROUND
BACKGROUND
Klinefelter syndrome (KS) frequently causes skeletal fragility characterized by profound alterations in bone microstructure with increased risk of fractures. Increased body fat mass associated with decreased body lean mass are frequent features of KS with possible detrimental effects on skeletal health. In this cross-sectional study, we evaluated the associations between body composition parameters, vertebral fractures (VFs) and trabecular bone score (TBS) in adult subjects with KS.
METHODS
METHODS
Seventy-one adult males (median age 41 years, range 18-64) with 47, XXY KS were consecutively enrolled by two Endocrinology and Andrology Units (IRCCS Humanitas Research Hospital in Milan and ASST Spedali Civili in Brescia). Dual-energy X-ray absorptiometry (DXA) was performed to assess bone mineral density (BMD) at lumbar spine, femoral neck and total hip, TBS and body composition. Prevalence of VFs was assessed by quantitative morphometry on lateral spine X-rays.
RESULTS
RESULTS
VFs were detected in 14 patients (19.7%), without significant association with low BMD (p = 0.912). In univariate logistic regression analysis, VFs were significantly associated with truncal/leg fat ratio (OR 2.32 per tertile; 95% CI 1.05-5.15; p = 0.038), whereas impaired TBS (detected in 23.4% of subjects) was associated with older age at study entry (p = 0.001) and at diagnosis of disease (p = 0.015), body mass index (BMI; p = 0.001), waist circumference (p = 0.007), fat mass index (FMI; p < 0.001), FMI/lean mass index (LMI) ratio (p = 0.001). Prevalence of VFs was not significantly different between subjects with impaired TBS as compared to those with normal TBS (26.7 vs. 18.4%; p = 0.485). Skeletal end-points were not significantly associated with duration of testosterone replacement therapy and serum testosterone and 25hydroxyvitamin D values.
CONCLUSION
CONCLUSIONS
Body composition might influence bone quality and risk of VFs in subjects with KS.
Identifiants
pubmed: 36030302
doi: 10.1007/s40618-022-01901-8
pii: 10.1007/s40618-022-01901-8
doi:
Substances chimiques
Testosterone
3XMK78S47O
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
297-304Informations de copyright
© 2022. The Author(s), under exclusive licence to Italian Society of Endocrinology (SIE).
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